title: Persistent or recurrent primary hyperparathyroidism.
mesh_terms: D000465:Algorithms; D006801:Humans; D006961:Hyperparathyroidism / Q000175:diagnosis / Q000209:etiology / Q000601:surgery*; D006965:Hyperplasia; D010280:Parathyroid Glands / Q000473:pathology; D010282:Parathyroid Neoplasms / Q000150:complications; D012008:Recurrence; D012086:Reoperation